Big River Group is a publicly listed Australian company with more than 120 years of experience in timber, building materials and prefabricated construction solutions.
With manufacturing and distribution sites across Australia and New Zealand, we are recognised for our commitment to quality, innovation and exceptional customer service across commercial, civil and residential markets.
The Opportunity
We have an exciting opportunity for an experienced Prefabrication Estimator / Detailer to join our team at either our Breakwater or Somerton Branch.
This is a great opportunity for someone who enjoys working in a fast-paced environment, takes pride in producing accurate work, and wants to be part of a supportive and successful team.
In this position, you will play an important role in supporting our prefabrication operations through accurate estimating and detailing projects.
We are looking for someone with relevant industry experience who can work collaboratively with the wider team and contribute to delivering quality outcomes for our customers.
What you will be doing
Preparing accurate estimates and detailed designs
Interpreting building plans, specifications, and project requirements
Producing designs using industry systems (CAD/Pryda – training provided)
Liaising with builders, architects, engineers, and internal teams
Identifying and resolving discrepancies in plans and documentation
Ensuring all work is completed accurately and within required timeframes
Supporting the efficient flow of work through the prefab operation




Maintaining high attention to detail to ensure quality and customer satisfaction
Collaborating with a dynamic design team to achieve project outcomes
Following company procedures, policies, and safety requirements
Contributing to a safe and positive team workplace
What you'll bring
strong relevant experience in similar setting
Strong attention to detail and accuracy
Good communication and teamwork skills
A friendly, reliable, and professional approach
The ability to follow company policies, procedures, and work instructions
A robust commitment to workplace health and safety
What you'll receive in return
Competitive salary package with training and development opportunities
Supportive team environment with a strong focus on collaboration
Stable, long-term role within a growing and dynamic business
Access to our Employee Assistance Program (EAP)
At Big River Group, we are proud of our long history, strong industry reputation, and commitment to supporting our people to succeed.
When you join our team, you become part of a business that values safety, teamwork, reliability, and quality in everything we do.
Our Commitment to Diversity and Inclusion
At Big River Group we value equality, inclusion, and diversity.
We are an Equal Opportunity Employer and are committed to providing an inclusive and diverse workplace free of discrimination.
All aspects of recruitment and employment are based on competence, performance, merit, and business needs.
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📌 Prefabrication Estimator / Detailer (Melbourne)
🏢 Big River Group
📍 Melbourne